<?php
/**
 * strpos第二参数:If needle is not a string, it is converted to an integer and applied as the ordinal value of a character. 
 * @version $Id: strpos_needle_int.php 209 2011-09-27 03:15:58Z horseluke@126.com $
 */
$data = '太美了！日出江花红似火，春来江水绿蓝。叫我怎能不忆：枫叶之都本溪@致敬辽宁:好美啊… // @本溪村官小潼 : 向每天为枫叶节开幕式辛苦排练节目的人儿致敬！嫩们是最棒滴！ @仲凯棒棒 @韩成HC @晓婉jiajia @刘家芮 @活力杨丽楠 @快乐郑新 @姜童童 @LELE-DDD-乐乐熊 对了，还有我[偷笑]';
$f = 64;

echo chr($f);
echo "\r\n";
$find = strpos($data, $f);
echo $find;
echo "\r\n";
if($find !== false){
	echo 'FIND AND MATCH!';
}else{
	echo 'NOT FOUND!';
}